22220012211211 has 2 divisors, whose sum is σ = 22220012211212. Its totient is φ = 22220012211210.

The previous prime is 22220012211191. The next prime is 22220012211269. The reversal of 22220012211211 is 11211221002222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220012211211 - 2¹¹ = 22220012209163 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220012811211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110006105605 + 11110006105606.

It is an arithmetic number, because the mean of its divisors is an integer number (11110006105606).

Almost surely, 2^{22220012211211} is an apocalyptic number.

22220012211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220012211211 is an equidigital number, since it uses as much as digits as its factorization.

22220012211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22220012211211 its reverse (11211221002222), we get a palindrome (33431233213433).

The spelling of 22220012211211 in words is "twenty-two trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, two hundred eleven".